Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect. …

Grep for Windows – findstr example

1. Filter a result. 1.1 Classic example to filter a listing result. #Linux $ ls -ls | grep mkyong #Windows c:/> dir | findstr mkyong.
2. Search a File. 2.1 Search matched string in a file.
3. Search a list of files. 3.1 Search matched string in a list of files.
4. Help. 4.1 The most powerful command ~

Powershell: Search for String or grep for Powershell

1. grep (options) files.txt.
2. grep “text I search” *.log.
3. Select-String -Path C:/temp/*.log -Pattern “Contoso”
4. Get-ChildItem C:/temp -Filter *.log -Recurse | Select-String “Contoso”

Command. grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect.

Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. The text search pattern is called a regular expression. When it finds a match, it prints the line with the result. The grep command is handy when searching through large log files.

Grep Command in Windows Grep the output of a netstat command for a specific port: # Windows CMD C:> netstat -na | findstr ” PORT ” # Windows PowerShell PS C:> netstat -na | Select-String ” PORT ” If a command in PowerShell returns some objects, before parsing, they should be converted to strings using the Out-String -Stream command:

Since it’s pretty much the same grep used on UNIX systems, people who have used grep on any *NIX system will find themselves at home with the Windows version. When searching through files with 10MB or more it starts having issues and even crashes depending on the file size and the machine it’s running on.

If the input is standard input from a regular file, and num selected lines are output, grep ensures that the standard input is positioned just after the last selected line before exiting, regardless of the presence of trailing context lines. This enables a calling process to resume a search.

Grep searches one or more input files for lines containing a match to a specified pattern. By default, grep prints the matching lines. Homepage http://www.gnu.org/software/grep/grep.html Sources: http://ftp.gnu.org/gnu/grep Download